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Finding the Fourth Proportional to 238,801.71, 329,549.08 and 136,825.12

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Solution

The fourth proportional to 238,801.71, 329,549.08 and 136,825.12 is: 188,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,801.71 : 329,549.08 = 136,825.12 : x
  2. Step 2: Convert to fraction form
    238,801.71/329,549.08 = 136,825.12/x
  3. Step 3: Cross multiply
    238,801.71x = 329,549.08 × 136,825.12
  4. Step 4: Simplify right side
    238,801.71x = 45,090,593,399.15
  5. Step 5: Solve for x
    x = 45,090,593,399.15/238,801.71
  6. Step 6: Final answer
    x = 188,820.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.